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diff --git a/Documentation/devicetree/bindings/mux/reg-mux.txt b/Documentation/devicetree/bindings/mux/reg-mux.txt
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--- a/Documentation/devicetree/bindings/mux/reg-mux.txt
+++ /dev/null
@@ -1,129 +0,0 @@
-Generic register bitfield-based multiplexer controller bindings
-
-Define register bitfields to be used to control multiplexers. The parent
-device tree node must be a device node to provide register r/w access.
-
-Required properties:
-- compatible : should be one of
-	"reg-mux" : if parent device of mux controller is not syscon device
-	"mmio-mux" : if parent device of mux controller is syscon device
-- #mux-control-cells : <1>
-- mux-reg-masks : an array of register offset and pre-shifted bitfield mask
-                  pairs, each describing a single mux control.
-* Standard mux-controller bindings as decribed in mux-controller.txt
-
-Optional properties:
-- idle-states : if present, the state the muxes will have when idle. The
-		special state MUX_IDLE_AS_IS is the default.
-
-The multiplexer state of each multiplexer is defined as the value of the
-bitfield described by the corresponding register offset and bitfield mask
-pair in the mux-reg-masks array.
-
-Example 1:
-The parent device of mux controller is not a syscon device.
-
-&i2c0 {
-	fpga@66 { // fpga connected to i2c
-		compatible = "fsl,lx2160aqds-fpga", "fsl,fpga-qixis-i2c",
-			     "simple-mfd";
-		reg = <0x66>;
-
-		mux: mux-controller {
-			compatible = "reg-mux";
-			#mux-control-cells = <1>;
-			mux-reg-masks = <0x54 0xf8>, /* 0: reg 0x54, bits 7:3 */
-					<0x54 0x07>; /* 1: reg 0x54, bits 2:0 */
-		};
-	};
-};
-
-mdio-mux-1 {
-	compatible = "mdio-mux-multiplexer";
-	mux-controls = <&mux 0>;
-	mdio-parent-bus = <&emdio1>;
-	#address-cells = <1>;
-	#size-cells = <0>;
-
-	mdio@0 {
-		reg = <0x0>;
-		#address-cells = <1>;
-		#size-cells = <0>;
-	};
-
-	mdio@8 {
-		reg = <0x8>;
-		#address-cells = <1>;
-		#size-cells = <0>;
-	};
-
-	..
-	..
-};
-
-mdio-mux-2 {
-	compatible = "mdio-mux-multiplexer";
-	mux-controls = <&mux 1>;
-	mdio-parent-bus = <&emdio2>;
-	#address-cells = <1>;
-	#size-cells = <0>;
-
-	mdio@0 {
-		reg = <0x0>;
-		#address-cells = <1>;
-		#size-cells = <0>;
-	};
-
-	mdio@1 {
-		reg = <0x1>;
-		#address-cells = <1>;
-		#size-cells = <0>;
-	};
-
-	..
-	..
-};
-
-Example 2:
-The parent device of mux controller is syscon device.
-
-syscon {
-	compatible = "syscon";
-
-	mux: mux-controller {
-		compatible = "mmio-mux";
-		#mux-control-cells = <1>;
-
-		mux-reg-masks = <0x3 0x30>, /* 0: reg 0x3, bits 5:4 */
-				<0x3 0x40>, /* 1: reg 0x3, bit 6 */
-		idle-states = <MUX_IDLE_AS_IS>, <0>;
-	};
-};
-
-video-mux {
-	compatible = "video-mux";
-	mux-controls = <&mux 0>;
-	#address-cells = <1>;
-	#size-cells = <0>;
-
-	ports {
-		/* inputs 0..3 */
-		port@0 {
-			reg = <0>;
-		};
-		port@1 {
-			reg = <1>;
-		};
-		port@2 {
-			reg = <2>;
-		};
-		port@3 {
-			reg = <3>;
-		};
-
-		/* output */
-		port@4 {
-			reg = <4>;
-		};
-	};
-};